A tuning fork with a frequency of 327.0 Hz and a tuning fork of unknown frequenc

Question

A tuning fork with a frequency of 327.0 Hz and a tuning fork of unknown frequency produce beats with a frequency of 5.5 when struck at the same time. A small piece of putty is placed on the tuning fork with the known frequency and it's frequency is lowered slightly. When struck at the same time, the two forks now produce a beat frequency of 8.0 Hz. 1) What is frequency of tuning fork which originally had a frequency of 327.0 Hz after the putty has been placed on it? f1 = Hz 2) What is frequency of the second turning fork? f2 =

Explanation / Answer

After reducing the 327 the difference increases.

Since 8.0 > 5.5

The unknown frequency > 327

the unknown frequency is 327 + 5.5

= 332.5 Hz

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